Date: Thu Apr 12 11:34:52 2007
Author: Wolfgang Rueckner
Subject: Re: Monkey Gun/Shoot Demo
Ours has never failed. Look at
On Apr 12, 2007, at 11:11 AM, Douglas Johnson wrote:
> On our Monkey Shoot or Monkey Gun Demo, we have an electronic
> trigger circuit that trips off the power to the electromagnet that
> holds the monkey up and then resets after 5 seconds after it falls.
> Lately, it hasn't been very dependable. Does anyone out on Tap-L
> have a bullet proof circuit for such a demo? I am tempted to go
> back to our mechanical trigger.
> ....Doug J.
> PS.. Right now we use a laser diode and a photo detector at the
> end of the barrel of the gun for the switch sensor circuit.